const char * const keys[], const int values[],
int all, int *flags, char *arg, size_t no)
{
- int value = 0;
- value = XARGMATCH (option, arg + no, keys, values);
+ int value = XARGMATCH (option, arg + no, keys, values);
- if (value)
+ /* -rnone == -rno-all, and -rno-none == -rall. */
+ if (!value)
{
- if (no)
- *flags &= ~value;
- else
- *flags |= value;
+ value = all;
+ no = !no;
}
+
+ if (no)
+ *flags &= ~value;
else
- {
- if (no)
- *flags |= all;
- else
- *flags &= ~all;
- }
+ *flags |= value;
}
/** Decode an option's set of keys.
ARGMATCH_VERIFY (trace_args, trace_types);
-/*------------------------.
-| --warnings's handling. |
-`------------------------*/
-
-/** Decode a single argument from -W.
- *
- * \param flags the flags to update
- * \param arg the subarguments to decode.
- * If null, then activate all the flags.
- * \param no length of the potential "no-" prefix.
- * Can be 0 or 3. If 3, negate the action of the subargument.
- * \param err length of a potential "error=".
- * Can be 0 or 5. If 5, treat the subargument as a CATEGORY.
- *
- * If VALUE != 0 then KEY sets flags and no-KEY clears them.
- * If VALUE == 0 then KEY clears all flags from \c all and no-KEY sets all
- * flags from \c all. Thus no-none = all and no-all = none.
- */
-static void
-warning_argmatch (int *flags, char *arg, size_t no, size_t err)
-{
- int value = 0;
- if (!err || arg[no + err++] != '\0')
- value = XARGMATCH ("--warning", arg + no + err,
- warnings_args, warnings_types);
-
- if (value)
- {
- if (no)
- *flags &= ~value;
- else
- {
- if (err)
- warnings_flag |= value;
- *flags |= value;
- }
- }
- else
- {
- /* With a simpler 'if (no)' version, -Werror means -Werror=all
- (or rather, -Werror=no-none, but that syntax is invalid).
- The difference is:
- - Werror activates all errors, but not the warnings
- - Werror=all activates errors, and all warnings */
- if (no ? !err : err)
- *flags |= Wall;
- else
- *flags &= ~Wall;
- }
-}
-
-/** Decode a comma-separated list of arguments from -W.
- *
- * \param args comma separated list of effective subarguments to decode.
- * If 0, then activate all the flags.
- */
-static void
-warnings_argmatch (char *args)
-{
- if (args)
- for (args = strtok (args, ","); args; args = strtok (NULL, ","))
- {
- size_t no = STRPREFIX_LIT ("no-", args) ? 3 : 0;
- size_t err = STRPREFIX_LIT ("error", args + no) ? 5 : 0;
-
- warning_argmatch (err ? &errors_flag : &warnings_flag,
- args, no, err);
- }
- else
- warnings_flag |= Wall;
-}
-
-const char * const warnings_args[] =
-{
- "none",
- "midrule-values",
- "yacc",
- "conflicts-sr",
- "conflicts-rr",
- "deprecated",
- "precedence",
- "other",
- "all",
- "error",
- 0
-};
-
-const int warnings_types[] =
-{
- Wnone,
- Wmidrule_values,
- Wyacc,
- Wconflicts_sr,
- Wconflicts_rr,
- Wdeprecated,
- Wprecedence,
- Wother,
- Wall,
- Werror
-};
-
-ARGMATCH_VERIFY (warnings_args, warnings_types);
-
/*-----------------------.
| --feature's handling. |
`-----------------------*/
usage (int status)
{
if (status != 0)
- fprintf (stderr, _("Try `%s --help' for more information.\n"),
+ fprintf (stderr, _("Try '%s --help' for more information.\n"),
program_name);
else
{
-L, --language=LANGUAGE specify the output programming language\n\
-S, --skeleton=FILE specify the skeleton to use\n\
-t, --debug instrument the parser for tracing\n\
- same as `-Dparse.trace'\n\
+ same as '-Dparse.trace'\n\
--locations enable location support\n\
-D, --define=NAME[=VALUE] similar to '%define NAME \"VALUE\"'\n\
-F, --force-define=NAME[=VALUE] override '%define NAME \"VALUE\"'\n\
-d likewise but cannot specify FILE (for POSIX Yacc)\n\
-r, --report=THINGS also produce details on the automaton\n\
--report-file=FILE write report to FILE\n\
- -v, --verbose same as `--report=state'\n\
+ -v, --verbose same as '--report=state'\n\
-b, --file-prefix=PREFIX specify a PREFIX for output files\n\
-o, --output=FILE leave output to FILE\n\
-g, --graph[=FILE] also output a graph of the automaton\n\
fputs (_("\
Warning categories include:\n\
- `midrule-values' unset or unused midrule values\n\
- `yacc' incompatibilities with POSIX Yacc\n\
- `conflicts-sr' S/R conflicts (enabled by default)\n\
- `conflicts-rr' R/R conflicts (enabled by default)\n\
- `deprecated' obsolete constructs\n\
- `precedence' useless precedence and associativity\n\
- `other' all other warnings (enabled by default)\n\
- `all' all the warnings\n\
- `no-CATEGORY' turn off warnings in CATEGORY\n\
- `none' turn off all the warnings\n\
- `error[=CATEGORY]' treat warnings as errors\n\
+ 'midrule-values' unset or unused midrule values\n\
+ 'yacc' incompatibilities with POSIX Yacc\n\
+ 'conflicts-sr' S/R conflicts (enabled by default)\n\
+ 'conflicts-rr' R/R conflicts (enabled by default)\n\
+ 'deprecated' obsolete constructs\n\
+ 'empty-rule' empty rules without %empty\n\
+ 'precedence' useless precedence and associativity\n\
+ 'other' all other warnings (enabled by default)\n\
+ 'all' all the warnings\n\
+ 'no-CATEGORY' turn off warnings in CATEGORY\n\
+ 'none' turn off all the warnings\n\
+ 'error[=CATEGORY]' treat warnings as errors\n\
"), stdout);
putc ('\n', stdout);
fputs (_("\
THINGS is a list of comma separated words that can include:\n\
- `state' describe the states\n\
- `itemset' complete the core item sets with their closure\n\
- `lookahead' explicitly associate lookahead tokens to items\n\
- `solved' describe shift/reduce conflicts solving\n\
- `all' include all the above information\n\
- `none' disable the report\n\
+ 'state' describe the states\n\
+ 'itemset' complete the core item sets with their closure\n\
+ 'lookahead' explicitly associate lookahead tokens to items\n\
+ 'solved' describe shift/reduce conflicts solving\n\
+ 'all' include all the above information\n\
+ 'none' disable the report\n\
"), stdout);
putc ('\n', stdout);
fputs (_("\
FEATURE is a list of comma separated words that can include:\n\
- `caret' show errors with carets\n\
- `all' all of the above\n\
- `none' disable all of the above\n\
+ 'caret' show errors with carets\n\
+ 'all' all of the above\n\
+ 'none' disable all of the above\n\
"), stdout);
putc ('\n', stdout);
};
/* Under DOS, there is no difference on the case. This can be
- troublesome when looking for `.tab' etc. */
+ troublesome when looking for '.tab' etc. */
#ifdef MSDOS
# define AS_FILE_NAME(File) (strlwr (File), (File))
#else
break;
case 'y':
- warnings_flag |= Wyacc;
- errors_flag |= Wyacc;
+ warning_argmatch ("error=yacc", 0, 6);
yacc_flag = true;
break;
projects / bison.git / blobdiff